Boston: July Days Over 90 Degrees

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Boston: July Days Over 90 Degrees

  • Published: Aug 3rd, 2010

By mid-century in Boston, the sweltering heat of July 2010 may be thought of as cooler-than-average conditions, as more days above 90°F routinely occur.

Washington, DC: July Days Over 90 Degrees

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Washington, DC: July Days Over 90 Degrees

  • Published: Aug 3rd, 2010

By mid-century in Washington, DC, the sweltering heat of July 2010 may be thought of as cooler-than-average conditions, as more days above 90°F routinely occur.

Northeast: July Days Over 95 Degrees

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Northeast: July Days Over 95 Degrees

  • Published: Jul 7th, 2010

Present vs. projected July days over 95 degrees Fahrenheit

Mountain Snowmelt and Fire

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Mountain Snowmelt and Fire

  • Published: Sep 2nd, 2009

In recent decades in the American West, wildfires have burned about 17 times more land in years with early snowmelt than with late.

Early vs. Late Snowmelt

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Early vs. Late Snowmelt

  • Published: Sep 2nd, 2009

Satellite-derived images comparing the first full week of April in years with early (2002) vs. late (2008) snowmelt.

Acres Burned in Washington

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Acres Burned in Washington

  • Published: Sep 2nd, 2009

Wildfires in Washington State have increased significantly in recent years, a shift that appears linked to climate change.

Tripod Fire Satellite View

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Tripod Fire Satellite View

  • Published: Sep 2nd, 2009

The August 2006 Tripod Complex Fire burned some 180,000 acres of beetle-damaged forest in central Washington State.

Nationwide: August Days over 95 Degrees

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Nationwide: August Days over 95 Degrees

  • Published: Aug 19th, 2009

Present vs. projected August days over 95 degrees Fahrenheit